Homeostasis & ResponseDeep Dive

Definition of Homeostasis

Part of Homeostasis IntroGCSE Biology

This deep dive covers Definition of Homeostasis within Homeostasis Intro for GCSE Biology. Topic 1: Homeostasis Intro It is section 3 of 16 in this topic. Use this deep dive to connect the idea to the wider topic before moving on to questions and flashcards.

Topic position

Section 3 of 16

Practice

15 questions

Recall

20 flashcards

Definition of Homeostasis

Homeostasis is the ability of an organism or a cell to regulate its internal environment, maintaining a stable balance between various physiological processes.

  • Internal environment: refers to the internal conditions that affect the function and survival of cells and organs
  • Regulation: involves making adjustments to maintain homeostasis through feedback mechanisms

Keep building this topic

Read this section alongside the surrounding pages in Homeostasis Intro. That gives you the full topic sequence instead of a single isolated revision point.

Practice Questions for Homeostasis Intro

What is homeostasis?

  • A. The maintenance of a stable internal environment in the body
  • B. The process by which cells divide and grow
  • C. The movement of substances across a cell membrane
  • D. The release of hormones during exercise
1 markfoundation

State the definition of homeostasis and give two examples of what the body regulates.

2 marksstandard

Quick Recall Flashcards

What is homeostasis?
The maintenance of stable internal conditions in the body, such as temperature, pH, and water balance.
What is negative feedback?
A control mechanism where the response counteracts the initial change, helping to maintain stable conditions and return to the set point.

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